Medium severity5.5NVD Advisory· Published Jan 5, 2021· Updated Jun 17, 2026

CVE-2020-27842

Description

There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Fedoraproject/Extra Packages For Enterprise Linux
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*
Oracle Corporation/Outside In Technology
cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*
Red Hat/Codeready Linux Builder For X86 64
cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*
Red Hat/Codeready Linux Builder For Ibm Z Systems
cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
Uclouvain/Openjpeg
cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*
Range: <2.4.0
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Red Hat/Codeready Linux Builder For Arm64 Eus
cpe:2.3:o:redhat:codeready_linux_builder_for_power_little_endian:8.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux Server
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux For Ibm Z Systems
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
Red Hat/Enterprise Linux For Power Little Endian
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
OpenJPEG/openjpeg2cpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <2.4.0
osv-coords48 versions
pkg:rpm/almalinux/openjpeg2 pkg:rpm/almalinux/openjpeg2-devel pkg:rpm/almalinux/openjpeg2-devel-docs pkg:rpm/almalinux/openjpeg2-tools pkg:rpm/opensuse/openjpeg&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/openjpeg&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/openjpeg2&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/openjpeg2&distro=openSUSE%20Leap%2015.4 pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP3 pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP4 pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCL pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/openjpeg&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/openjpeg2&distro=SUSE%20Enterprise%20Storage%206 pkg:rpm/suse/openjpeg2&distro=SUSE%20Enterprise%20Storage%207 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP3 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCL pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSS pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1 pkg:rpm/suse/openjpeg2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2 pkg:rpm/suse/openjpeg2&distro=SUSE%20Manager%20Proxy%204.1 pkg:rpm/suse/openjpeg2&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1 pkg:rpm/suse/openjpeg2&distro=SUSE%20Manager%20Server%204.1 pkg:rpm/suse/openjpeg2&distro=SUSE%20OpenStack%20Cloud%209 pkg:rpm/suse/openjpeg2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 2.4.0-4.el8+ 47 more
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 2.4.0-4.el8
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 1.5.2-150000.4.10.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.3.0-150000.3.8.1
- (no CPE)range: < 2.1.0-4.18.2
- (no CPE)range: < 2.1.0-4.18.2

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
www.oracle.com//security-alerts/cpujul2021.htmlnvdPatchThird Party Advisory
www.oracle.com/security-alerts/cpuApr2021.htmlnvdPatchThird Party Advisory
lists.debian.org/debian-lts-announce/2022/04/msg00006.htmlnvdMailing ListThird Party Advisory
security.gentoo.org/glsa/202101-29nvdThird Party Advisory
www.debian.org/security/2021/dsa-4882nvdMailing ListThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/nvd

News mentions

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cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000